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DFQ-400 water well DTH drilling rig working with air compressor for granite borehole
DFQ-400 drilling rig is a kind of light weight, high efficiency and multi-function drilling equipment, it is suitable for drilling water wells, agricultural irrigation well, geothermal air-conditioning hole and other uses, especially for water engineering in mountainous and rock areas. It is much more efficient than the traditional rotary drilling rigs ,can create very considerable economic benefit for users.
DFQ-400 drilling rig solves the problems to drill very hard rocks,gravel, pebble stratum that traditional drilling rigs are difficult to drill, DFQ-400 can work efficiently under all kinds of geological structure.
No. |
Item |
Parameter |
|
1 |
Drilling caliber |
Φ105-400mm |
|
2 |
Max. drilling depth |
400m |
|
3 |
Work pressure |
1.05-3.0 MPa |
|
4 |
Gas consumption |
10~36 m³/min |
|
5 |
Apply to rock hardness |
f=6-12 |
|
6 |
Power |
108Kw/2000rpm,about 150 PS |
|
7 |
Leg cylinder stroke |
800 mm(1500mm) |
|
8 |
Propulsion |
7.0 tonf |
|
9 |
Lifting force |
15 tonf |
3 grades |
10 |
Speed of spindle |
Fast 95/115/135 rpm |
|
|
|
Slow 52/60/65 rpm |
|
11 |
Rotary torque |
4000/8000 N.m |
|
12 |
Weight |
8800 Kg |
|
13 |
Dimension |
4550*2100*2950 mm |
|
1.Power Source:150HP diesel engine (with electricity start), provide abundant power for the hydraulic system and mud pump, guaranteeing every part of hydraulic system to work efficiently.
2.Mud Pump: BW-250 mud pump, can be used to flush the well and cool bit.
3.Power Head: New technology, fast speed, easy to operate.
4.Frame: 1) Drill tower: Integrative hydraulic drill tower, working height is 4 meters.
2)Support leg: Hydraulic support legs, strong stability. No need to take out wheels when working.
3)Moving way: Wheels, crawler or truck.
4) Drill rod groove and headlamp,humanization design.
5.Applicability:Ways of washing wells:
1)working with mud pump,three wings bit,alloy bit,diamond bit is suitable for surface soil.
2)Working with Air compressor,DTH bit,is suitable for hard rock very well.
1. One year quality guarantee for main machine;
2. Training: operation manual, overseas installation is also available;
3. Spare parts are available in our factory at cost price for former customers;
4. 24 hour on-line guidance for operation and maintenance.
Zhengzhou Defy Mechanical & Electrical Equipment Co., Ltd. locates in High-tech zone of Zhengzhou City, China. Our factory dedicates to manufacturing drilling rigs since 1970s, more than 40 years experience of production and development makes our product quality rank in the leading position at home and abroad. We are always seeking for ever greater perfection, keeping improving the production technology, offering better user experience.
If you have interest in DFQ-400 pneumatic water well DTH drilling rig, please let me know. I will try my best to help you.Please just contact me, i will always be there.Best wishes.
James Feng
Mobile: +86-13283806223
Email: james (at)
WhatsApp:+86-13283806223
Skype:defy003
Web: ;
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